56781428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 118512576

約数和(自身を除く): 61731148

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 67, 68, 103, 121, 134, 187, 206, 242, 268, 374, 412, 484, 737, 748, 1133, 1139, 1474, 1751, 2057, 2266, 2278, 2948, 3502, 4114, 4532, 4556, 6901, 7004, 8107, 8228, 12463, 12529, 13802, 16214, 19261, 24926, 25058, 27604, 32428, 38522, 49852, 50116, 75911, 77044, 117317, 137819, 151822, 211871, 234634, 275638, 303644, 423742, 469268, 551276, 835021, 847484, 1290487, 1670042, 2580974, 3340084, 5161948, 14195357, 28390714, 56781428]

約数ペア:

[(1, 56781428), (2, 28390714), (4, 14195357), (11, 5161948), (17, 3340084), (22, 2580974), (34, 1670042), (44, 1290487), (67, 847484), (68, 835021), (103, 551276), (121, 469268), (134, 423742), (187, 303644), (206, 275638), (242, 234634), (268, 211871), (374, 151822), (412, 137819), (484, 117317), (737, 77044), (748, 75911), (1133, 50116), (1139, 49852), (1474, 38522), (1751, 32428), (2057, 27604), (2266, 25058), (2278, 24926), (2948, 19261), (3502, 16214), (4114, 13802), (4532, 12529), (4556, 12463), (6901, 8228), (7004, 8107)]