621122008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5153}}^1$

素因数の和:5252

約数の個数: 64

約数和(自身を含む): 1342101600

約数和(自身を除く): 720979592

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 793, 988, 1159, 1586, 1976, 2318, 3172, 4636, 5153, 6344, 9272, 10306, 15067, 20612, 30134, 41224, 60268, 66989, 97907, 120536, 133978, 195814, 267956, 314333, 391628, 535912, 628666, 783256, 1257332, 1272791, 2514664, 2545582, 4086329, 5091164, 5972327, 8172658, 10182328, 11944654, 16345316, 23889308, 32690632, 47778616, 77640251, 155280502, 310561004, 621122008]

約数ペア:

[(1, 621122008), (2, 310561004), (4, 155280502), (8, 77640251), (13, 47778616), (19, 32690632), (26, 23889308), (38, 16345316), (52, 11944654), (61, 10182328), (76, 8172658), (104, 5972327), (122, 5091164), (152, 4086329), (244, 2545582), (247, 2514664), (488, 1272791), (494, 1257332), (793, 783256), (988, 628666), (1159, 535912), (1586, 391628), (1976, 314333), (2318, 267956), (3172, 195814), (4636, 133978), (5153, 120536), (6344, 97907), (9272, 66989), (10306, 60268), (15067, 41224), (20612, 30134)]