31561888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 39683552

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 37, 38, 46, 61, 74, 76, 92, 122, 148, 152, 184, 244, 296, 304, 368, 437, 488, 592, 608, 703, 736, 851, 874, 976, 1159, 1184, 1403, 1406, 1702, 1748, 1952, 2257, 2318, 2806, 2812, 3404, 3496, 4514, 4636, 5612, 5624, 6808, 6992, 9028, 9272, 11224, 11248, 13616, 13984, 16169, 18056, 18544, 22448, 22496, 26657, 27232, 32338, 36112, 37088, 42883, 44896, 51911, 53314, 64676, 72224, 85766, 103822, 106628, 129352, 171532, 207644, 213256, 258704, 343064, 415288, 426512, 517408, 686128, 830576, 853024, 986309, 1372256, 1661152, 1972618, 3945236, 7890472, 15780944, 31561888]

約数ペア:

[(1, 31561888), (2, 15780944), (4, 7890472), (8, 3945236), (16, 1972618), (19, 1661152), (23, 1372256), (32, 986309), (37, 853024), (38, 830576), (46, 686128), (61, 517408), (74, 426512), (76, 415288), (92, 343064), (122, 258704), (148, 213256), (152, 207644), (184, 171532), (244, 129352), (296, 106628), (304, 103822), (368, 85766), (437, 72224), (488, 64676), (592, 53314), (608, 51911), (703, 44896), (736, 42883), (851, 37088), (874, 36112), (976, 32338), (1159, 27232), (1184, 26657), (1403, 22496), (1406, 22448), (1702, 18544), (1748, 18056), (1952, 16169), (2257, 13984), (2318, 13616), (2806, 11248), (2812, 11224), (3404, 9272), (3496, 9028), (4514, 6992), (4636, 6808), (5612, 5624)]