28898506

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 57496320

約数和(自身を除く): 28597814

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 61, 91, 122, 133, 137, 182, 247, 266, 274, 427, 494, 793, 854, 959, 1159, 1586, 1729, 1781, 1918, 2318, 2603, 3458, 3562, 5206, 5551, 8113, 8357, 11102, 12467, 15067, 16226, 16714, 18221, 24934, 30134, 33839, 36442, 58499, 67678, 105469, 108641, 116998, 158783, 210938, 217282, 236873, 317566, 473746, 760487, 1111481, 1520974, 2064179, 2222962, 4128358, 14449253, 28898506]

約数ペア:

[(1, 28898506), (2, 14449253), (7, 4128358), (13, 2222962), (14, 2064179), (19, 1520974), (26, 1111481), (38, 760487), (61, 473746), (91, 317566), (122, 236873), (133, 217282), (137, 210938), (182, 158783), (247, 116998), (266, 108641), (274, 105469), (427, 67678), (494, 58499), (793, 36442), (854, 33839), (959, 30134), (1159, 24934), (1586, 18221), (1729, 16714), (1781, 16226), (1918, 15067), (2318, 12467), (2603, 11102), (3458, 8357), (3562, 8113), (5206, 5551)]