81903984

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2958

約数の個数: 80

約数和(自身を含む): 229985280

約数和(自身を除く): 148081296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 2897, 3534, 4712, 5794, 7068, 8691, 9424, 11588, 14136, 17382, 23176, 28272, 34764, 46352, 55043, 69528, 89807, 110086, 139056, 165129, 179614, 220172, 269421, 330258, 359228, 440344, 538842, 660516, 718456, 880688, 1077684, 1321032, 1436912, 1706333, 2155368, 2642064, 3412666, 4310736, 5118999, 6825332, 10237998, 13650664, 20475996, 27301328, 40951992, 81903984]

約数ペア:

[(1, 81903984), (2, 40951992), (3, 27301328), (4, 20475996), (6, 13650664), (8, 10237998), (12, 6825332), (16, 5118999), (19, 4310736), (24, 3412666), (31, 2642064), (38, 2155368), (48, 1706333), (57, 1436912), (62, 1321032), (76, 1077684), (93, 880688), (114, 718456), (124, 660516), (152, 538842), (186, 440344), (228, 359228), (248, 330258), (304, 269421), (372, 220172), (456, 179614), (496, 165129), (589, 139056), (744, 110086), (912, 89807), (1178, 69528), (1488, 55043), (1767, 46352), (2356, 34764), (2897, 28272), (3534, 23176), (4712, 17382), (5794, 14136), (7068, 11588), (8691, 9424)]