348990512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 755597472

約数和(自身を除く): 406606960

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 137, 148, 208, 274, 296, 331, 481, 548, 592, 662, 962, 1096, 1324, 1781, 1924, 2192, 2648, 3562, 3848, 4303, 5069, 5296, 7124, 7696, 8606, 10138, 12247, 14248, 17212, 20276, 24494, 28496, 34424, 40552, 45347, 48988, 65897, 68848, 81104, 90694, 97976, 131794, 159211, 181388, 195952, 263588, 318422, 362776, 527176, 589511, 636844, 725552, 1054352, 1179022, 1273688, 1677839, 2358044, 2547376, 3355678, 4716088, 6711356, 9432176, 13422712, 21811907, 26845424, 43623814, 87247628, 174495256, 348990512]

約数ペア:

[(1, 348990512), (2, 174495256), (4, 87247628), (8, 43623814), (13, 26845424), (16, 21811907), (26, 13422712), (37, 9432176), (52, 6711356), (74, 4716088), (104, 3355678), (137, 2547376), (148, 2358044), (208, 1677839), (274, 1273688), (296, 1179022), (331, 1054352), (481, 725552), (548, 636844), (592, 589511), (662, 527176), (962, 362776), (1096, 318422), (1324, 263588), (1781, 195952), (1924, 181388), (2192, 159211), (2648, 131794), (3562, 97976), (3848, 90694), (4303, 81104), (5069, 68848), (5296, 65897), (7124, 48988), (7696, 45347), (8606, 40552), (10138, 34424), (12247, 28496), (14248, 24494), (17212, 20276)]