245920402

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1403

約数の個数: 64

約数和(自身を含む): 488968704

約数和(自身を除く): 243048302

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 61, 91, 119, 122, 182, 221, 238, 427, 442, 793, 854, 1037, 1303, 1547, 1586, 2074, 2606, 3094, 5551, 7259, 9121, 11102, 13481, 14518, 16939, 18242, 22151, 26962, 33878, 44302, 79483, 94367, 118573, 155057, 158966, 188734, 237146, 287963, 310114, 556381, 575926, 1033279, 1112762, 1351211, 2015741, 2066558, 2702422, 4031482, 7232953, 9458477, 14465906, 17565743, 18916954, 35131486, 122960201, 245920402]

約数ペア:

[(1, 245920402), (2, 122960201), (7, 35131486), (13, 18916954), (14, 17565743), (17, 14465906), (26, 9458477), (34, 7232953), (61, 4031482), (91, 2702422), (119, 2066558), (122, 2015741), (182, 1351211), (221, 1112762), (238, 1033279), (427, 575926), (442, 556381), (793, 310114), (854, 287963), (1037, 237146), (1303, 188734), (1547, 158966), (1586, 155057), (2074, 118573), (2606, 94367), (3094, 79483), (5551, 44302), (7259, 33878), (9121, 26962), (11102, 22151), (13481, 18242), (14518, 16939)]