645145291268

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8563}}^1\times {\mathrm{7691}}^1$

素因数の和:16368

約数の個数: 48

約数和(自身を含む): 1180467240960

約数和(自身を除く): 535321949692

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2449, 4898, 7691, 8563, 9796, 15382, 17126, 30764, 34252, 238421, 265453, 476842, 530906, 607589, 676477, 953684, 1061812, 1215178, 1352954, 2430356, 2705908, 18835259, 20970787, 37670518, 41941574, 65858033, 75341036, 83883148, 131716066, 263432132, 2041599023, 4083198046, 5202784607, 8166396092, 10405569214, 20811138428, 161286322817, 322572645634, 645145291268]

約数ペア:

[(1, 645145291268), (2, 322572645634), (4, 161286322817), (31, 20811138428), (62, 10405569214), (79, 8166396092), (124, 5202784607), (158, 4083198046), (316, 2041599023), (2449, 263432132), (4898, 131716066), (7691, 83883148), (8563, 75341036), (9796, 65858033), (15382, 41941574), (17126, 37670518), (30764, 20970787), (34252, 18835259), (238421, 2705908), (265453, 2430356), (476842, 1352954), (530906, 1215178), (607589, 1061812), (676477, 953684)]