201888128

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{121327}}^1$

素因数の和:121354

約数の個数: 32

約数和(自身を含む): 433140960

約数和(自身を除く): 231252832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 121327, 242654, 485308, 970616, 1577251, 1941232, 3154502, 3882464, 6309004, 7764928, 12618008, 15529856, 25236016, 50472032, 100944064, 201888128]

約数ペア:

[(1, 201888128), (2, 100944064), (4, 50472032), (8, 25236016), (13, 15529856), (16, 12618008), (26, 7764928), (32, 6309004), (52, 3882464), (64, 3154502), (104, 1941232), (128, 1577251), (208, 970616), (416, 485308), (832, 242654), (1664, 121327)]