31473728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 112

約数和(自身を含む): 77663040

約数和(自身を除く): 46189312

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 64, 76, 88, 104, 143, 152, 176, 181, 208, 209, 247, 286, 304, 352, 362, 416, 418, 494, 572, 608, 704, 724, 832, 836, 988, 1144, 1216, 1448, 1672, 1976, 1991, 2288, 2353, 2717, 2896, 3344, 3439, 3952, 3982, 4576, 4706, 5434, 5792, 6688, 6878, 7904, 7964, 9152, 9412, 10868, 11584, 13376, 13756, 15808, 15928, 18824, 21736, 25883, 27512, 31856, 37648, 37829, 43472, 44707, 51766, 55024, 63712, 75296, 75658, 86944, 89414, 103532, 110048, 127424, 150592, 151316, 173888, 178828, 207064, 220096, 302632, 357656, 414128, 491777, 605264, 715312, 828256, 983554, 1210528, 1430624, 1656512, 1967108, 2421056, 2861248, 3934216, 7868432, 15736864, 31473728]

約数ペア:

[(1, 31473728), (2, 15736864), (4, 7868432), (8, 3934216), (11, 2861248), (13, 2421056), (16, 1967108), (19, 1656512), (22, 1430624), (26, 1210528), (32, 983554), (38, 828256), (44, 715312), (52, 605264), (64, 491777), (76, 414128), (88, 357656), (104, 302632), (143, 220096), (152, 207064), (176, 178828), (181, 173888), (208, 151316), (209, 150592), (247, 127424), (286, 110048), (304, 103532), (352, 89414), (362, 86944), (416, 75658), (418, 75296), (494, 63712), (572, 55024), (608, 51766), (704, 44707), (724, 43472), (832, 37829), (836, 37648), (988, 31856), (1144, 27512), (1216, 25883), (1448, 21736), (1672, 18824), (1976, 15928), (1991, 15808), (2288, 13756), (2353, 13376), (2717, 11584), (2896, 10868), (3344, 9412), (3439, 9152), (3952, 7964), (3982, 7904), (4576, 6878), (4706, 6688), (5434, 5792)]