28398996828

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{78439}}^1$

素因数の和:78651

約数の個数: 72

約数和(自身を含む): 73236290400

約数和(自身を除く): 44837293572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 113, 178, 226, 267, 339, 356, 452, 534, 678, 801, 1017, 1068, 1356, 1602, 2034, 3204, 4068, 10057, 20114, 30171, 40228, 60342, 78439, 90513, 120684, 156878, 181026, 235317, 313756, 362052, 470634, 705951, 941268, 1411902, 2823804, 6981071, 8863607, 13962142, 17727214, 20943213, 26590821, 27924284, 35454428, 41886426, 53181642, 62829639, 79772463, 83772852, 106363284, 125659278, 159544926, 251318556, 319089852, 788861023, 1577722046, 2366583069, 3155444092, 4733166138, 7099749207, 9466332276, 14199498414, 28398996828]

約数ペア:

[(1, 28398996828), (2, 14199498414), (3, 9466332276), (4, 7099749207), (6, 4733166138), (9, 3155444092), (12, 2366583069), (18, 1577722046), (36, 788861023), (89, 319089852), (113, 251318556), (178, 159544926), (226, 125659278), (267, 106363284), (339, 83772852), (356, 79772463), (452, 62829639), (534, 53181642), (678, 41886426), (801, 35454428), (1017, 27924284), (1068, 26590821), (1356, 20943213), (1602, 17727214), (2034, 13962142), (3204, 8863607), (4068, 6981071), (10057, 2823804), (20114, 1411902), (30171, 941268), (40228, 705951), (60342, 470634), (78439, 362052), (90513, 313756), (120684, 235317), (156878, 181026)]