663824512

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{398933}}^1$

素因数の和:398960

約数の個数: 32

約数和(自身を含む): 1424194380

約数和(自身を除く): 760369868

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 398933, 797866, 1595732, 3191464, 5186129, 6382928, 10372258, 12765856, 20744516, 25531712, 41489032, 51063424, 82978064, 165956128, 331912256, 663824512]

約数ペア:

[(1, 663824512), (2, 331912256), (4, 165956128), (8, 82978064), (13, 51063424), (16, 41489032), (26, 25531712), (32, 20744516), (52, 12765856), (64, 10372258), (104, 6382928), (128, 5186129), (208, 3191464), (416, 1595732), (832, 797866), (1664, 398933)]