208512156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 518891520

約数和(自身を除く): 310379364

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 127, 228, 254, 361, 379, 381, 508, 722, 758, 762, 1083, 1137, 1444, 1516, 1524, 2166, 2274, 2413, 4332, 4548, 4826, 7201, 7239, 9652, 14402, 14478, 21603, 28804, 28956, 43206, 45847, 48133, 86412, 91694, 96266, 136819, 137541, 144399, 183388, 192532, 273638, 275082, 288798, 410457, 547276, 550164, 577596, 820914, 914527, 1641828, 1829054, 2743581, 3658108, 5487162, 10974324, 17376013, 34752026, 52128039, 69504052, 104256078, 208512156]

約数ペア:

[(1, 208512156), (2, 104256078), (3, 69504052), (4, 52128039), (6, 34752026), (12, 17376013), (19, 10974324), (38, 5487162), (57, 3658108), (76, 2743581), (114, 1829054), (127, 1641828), (228, 914527), (254, 820914), (361, 577596), (379, 550164), (381, 547276), (508, 410457), (722, 288798), (758, 275082), (762, 273638), (1083, 192532), (1137, 183388), (1444, 144399), (1516, 137541), (1524, 136819), (2166, 96266), (2274, 91694), (2413, 86412), (4332, 48133), (4548, 45847), (4826, 43206), (7201, 28956), (7239, 28804), (9652, 21603), (14402, 14478)]