1389459968

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11037

約数の個数: 80

約数和(自身を含む): 3147402720

約数和(自身を除く): 1757942752

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 512, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 6656, 7904, 9728, 10987, 15808, 21974, 31616, 43948, 63232, 87896, 126464, 142831, 175792, 208753, 285662, 351584, 417506, 571324, 703168, 835012, 1142648, 1406336, 1670024, 2285296, 2713789, 2812672, 3340048, 4570592, 5427578, 5625344, 6680096, 9141184, 10855156, 13360192, 18282368, 21710312, 26720384, 36564736, 43420624, 53440768, 73129472, 86841248, 106881536, 173682496, 347364992, 694729984, 1389459968]

約数ペア:

[(1, 1389459968), (2, 694729984), (4, 347364992), (8, 173682496), (13, 106881536), (16, 86841248), (19, 73129472), (26, 53440768), (32, 43420624), (38, 36564736), (52, 26720384), (64, 21710312), (76, 18282368), (104, 13360192), (128, 10855156), (152, 9141184), (208, 6680096), (247, 5625344), (256, 5427578), (304, 4570592), (416, 3340048), (494, 2812672), (512, 2713789), (608, 2285296), (832, 1670024), (988, 1406336), (1216, 1142648), (1664, 835012), (1976, 703168), (2432, 571324), (3328, 417506), (3952, 351584), (4864, 285662), (6656, 208753), (7904, 175792), (9728, 142831), (10987, 126464), (15808, 87896), (21974, 63232), (31616, 43948)]