221716516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{1229}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 471139200

約数和(自身を除く): 249422684

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 379, 476, 758, 1229, 1516, 2458, 2653, 4916, 5306, 6443, 8603, 10612, 12886, 17206, 20893, 25772, 34412, 41786, 45101, 83572, 90202, 146251, 180404, 292502, 465791, 585004, 931582, 1863164, 3260537, 6521074, 7918447, 13042148, 15836894, 31673788, 55429129, 110858258, 221716516]

約数ペア:

[(1, 221716516), (2, 110858258), (4, 55429129), (7, 31673788), (14, 15836894), (17, 13042148), (28, 7918447), (34, 6521074), (68, 3260537), (119, 1863164), (238, 931582), (379, 585004), (476, 465791), (758, 292502), (1229, 180404), (1516, 146251), (2458, 90202), (2653, 83572), (4916, 45101), (5306, 41786), (6443, 34412), (8603, 25772), (10612, 20893), (12886, 17206)]