258356072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7691}}^1$

素因数の和:7746

約数の個数: 64

約数和(自身を含む): 581515200

約数和(自身を除く): 323159128

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2584, 4199, 7691, 8398, 15382, 16796, 30764, 33592, 61528, 99983, 130747, 146129, 199966, 261494, 292258, 399932, 522988, 584516, 799864, 1045976, 1169032, 1699711, 1899677, 2484193, 3399422, 3799354, 4968386, 6798844, 7598708, 9936772, 13597688, 15197416, 19873544, 32294509, 64589018, 129178036, 258356072]

約数ペア:

[(1, 258356072), (2, 129178036), (4, 64589018), (8, 32294509), (13, 19873544), (17, 15197416), (19, 13597688), (26, 9936772), (34, 7598708), (38, 6798844), (52, 4968386), (68, 3799354), (76, 3399422), (104, 2484193), (136, 1899677), (152, 1699711), (221, 1169032), (247, 1045976), (323, 799864), (442, 584516), (494, 522988), (646, 399932), (884, 292258), (988, 261494), (1292, 199966), (1768, 146129), (1976, 130747), (2584, 99983), (4199, 61528), (7691, 33592), (8398, 30764), (15382, 16796)]