401459968

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:962

約数の個数: 144

約数和(自身を含む): 1039333120

約数和(自身を除く): 637873152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 256, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 907, 988, 1064, 1216, 1456, 1664, 1729, 1792, 1814, 1976, 2128, 2432, 2912, 3328, 3458, 3628, 3952, 4256, 4864, 5824, 6349, 6916, 7256, 7904, 8512, 11648, 11791, 12698, 13832, 14512, 15808, 17024, 17233, 23296, 23582, 25396, 27664, 29024, 31616, 34048, 34466, 47164, 50792, 55328, 58048, 63232, 68932, 82537, 94328, 101584, 110656, 116096, 120631, 137864, 165074, 188656, 203168, 221312, 224029, 232192, 241262, 275728, 330148, 377312, 406336, 442624, 448058, 482524, 551456, 660296, 754624, 812672, 896116, 965048, 1102912, 1320592, 1509248, 1568203, 1625344, 1792232, 1930096, 2205824, 2641184, 3018496, 3136406, 3584464, 3860192, 4411648, 5282368, 6272812, 7168928, 7720384, 10564736, 12545624, 14337856, 15440768, 21129472, 25091248, 28675712, 30881536, 50182496, 57351424, 100364992, 200729984, 401459968]

約数ペア:

[(1, 401459968), (2, 200729984), (4, 100364992), (7, 57351424), (8, 50182496), (13, 30881536), (14, 28675712), (16, 25091248), (19, 21129472), (26, 15440768), (28, 14337856), (32, 12545624), (38, 10564736), (52, 7720384), (56, 7168928), (64, 6272812), (76, 5282368), (91, 4411648), (104, 3860192), (112, 3584464), (128, 3136406), (133, 3018496), (152, 2641184), (182, 2205824), (208, 1930096), (224, 1792232), (247, 1625344), (256, 1568203), (266, 1509248), (304, 1320592), (364, 1102912), (416, 965048), (448, 896116), (494, 812672), (532, 754624), (608, 660296), (728, 551456), (832, 482524), (896, 448058), (907, 442624), (988, 406336), (1064, 377312), (1216, 330148), (1456, 275728), (1664, 241262), (1729, 232192), (1792, 224029), (1814, 221312), (1976, 203168), (2128, 188656), (2432, 165074), (2912, 137864), (3328, 120631), (3458, 116096), (3628, 110656), (3952, 101584), (4256, 94328), (4864, 82537), (5824, 68932), (6349, 63232), (6916, 58048), (7256, 55328), (7904, 50792), (8512, 47164), (11648, 34466), (11791, 34048), (12698, 31616), (13832, 29024), (14512, 27664), (15808, 25396), (17024, 23582), (17233, 23296)]