156972016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13421}}^1$

素因数の和:13489

約数の個数: 40

約数和(自身を含む): 329536944

約数和(自身を除く): 172564928

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 11696, 13421, 26842, 53684, 107368, 214736, 228157, 456314, 577103, 912628, 1154206, 1825256, 2308412, 3650512, 4616824, 9233648, 9810751, 19621502, 39243004, 78486008, 156972016]

約数ペア:

[(1, 156972016), (2, 78486008), (4, 39243004), (8, 19621502), (16, 9810751), (17, 9233648), (34, 4616824), (43, 3650512), (68, 2308412), (86, 1825256), (136, 1154206), (172, 912628), (272, 577103), (344, 456314), (688, 228157), (731, 214736), (1462, 107368), (2924, 53684), (5848, 26842), (11696, 13421)]