1640550128

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{276373}}^1$

素因数の和:276441

約数の個数: 40

約数和(自身を含む): 3701200608

約数和(自身を除く): 2060650480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 276373, 552746, 1105492, 1934611, 2210984, 3869222, 4421968, 7738444, 14647769, 15476888, 29295538, 30953776, 58591076, 102534383, 117182152, 205068766, 234364304, 410137532, 820275064, 1640550128]

約数ペア:

[(1, 1640550128), (2, 820275064), (4, 410137532), (7, 234364304), (8, 205068766), (14, 117182152), (16, 102534383), (28, 58591076), (53, 30953776), (56, 29295538), (106, 15476888), (112, 14647769), (212, 7738444), (371, 4421968), (424, 3869222), (742, 2210984), (848, 1934611), (1484, 1105492), (2968, 552746), (5936, 276373)]