2212778876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{907}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 4888119936

約数和(自身を除く): 2675341060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 907, 979, 1246, 1814, 1958, 2492, 3628, 3916, 6349, 6853, 7921, 9977, 12698, 13706, 15842, 19954, 25396, 27412, 31684, 39908, 55447, 69839, 80723, 87131, 110894, 139678, 161446, 174262, 221788, 279356, 322892, 348524, 565061, 609917, 887953, 1130122, 1219834, 1775906, 2260244, 2439668, 3551812, 6215671, 7184347, 12431342, 14368694, 24862684, 28737388, 50290429, 79027817, 100580858, 158055634, 201161716, 316111268, 553194719, 1106389438, 2212778876]

約数ペア:

[(1, 2212778876), (2, 1106389438), (4, 553194719), (7, 316111268), (11, 201161716), (14, 158055634), (22, 100580858), (28, 79027817), (44, 50290429), (77, 28737388), (89, 24862684), (154, 14368694), (178, 12431342), (308, 7184347), (356, 6215671), (623, 3551812), (907, 2439668), (979, 2260244), (1246, 1775906), (1814, 1219834), (1958, 1130122), (2492, 887953), (3628, 609917), (3916, 565061), (6349, 348524), (6853, 322892), (7921, 279356), (9977, 221788), (12698, 174262), (13706, 161446), (15842, 139678), (19954, 110894), (25396, 87131), (27412, 80723), (31684, 69839), (39908, 55447)]