84886990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 162739584

約数和(自身を除く): 77852594

約数列:

[1, 2, 5, 10, 31, 61, 62, 67, 122, 134, 155, 305, 310, 335, 610, 670, 1891, 2077, 3782, 4087, 4154, 4489, 8174, 8978, 9455, 10385, 18910, 20435, 20770, 22445, 40870, 44890, 126697, 139159, 253394, 273829, 278318, 547658, 633485, 695795, 1266970, 1369145, 1391590, 2738290, 8488699, 16977398, 42443495, 84886990]

約数ペア:

[(1, 84886990), (2, 42443495), (5, 16977398), (10, 8488699), (31, 2738290), (61, 1391590), (62, 1369145), (67, 1266970), (122, 695795), (134, 633485), (155, 547658), (305, 278318), (310, 273829), (335, 253394), (610, 139159), (670, 126697), (1891, 44890), (2077, 40870), (3782, 22445), (4087, 20770), (4154, 20435), (4489, 18910), (8174, 10385), (8978, 9455)]