81173976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1723}}^1$

素因数の和:1896

約数の個数: 64

約数和(自身を含む): 220120320

約数和(自身を除く): 138946344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 151, 156, 302, 312, 453, 604, 906, 1208, 1723, 1812, 1963, 3446, 3624, 3926, 5169, 5889, 6892, 7852, 10338, 11778, 13784, 15704, 20676, 22399, 23556, 41352, 44798, 47112, 67197, 89596, 134394, 179192, 260173, 268788, 520346, 537576, 780519, 1040692, 1561038, 2081384, 3122076, 3382249, 6244152, 6764498, 10146747, 13528996, 20293494, 27057992, 40586988, 81173976]

約数ペア:

[(1, 81173976), (2, 40586988), (3, 27057992), (4, 20293494), (6, 13528996), (8, 10146747), (12, 6764498), (13, 6244152), (24, 3382249), (26, 3122076), (39, 2081384), (52, 1561038), (78, 1040692), (104, 780519), (151, 537576), (156, 520346), (302, 268788), (312, 260173), (453, 179192), (604, 134394), (906, 89596), (1208, 67197), (1723, 47112), (1812, 44798), (1963, 41352), (3446, 23556), (3624, 22399), (3926, 20676), (5169, 15704), (5889, 13784), (6892, 11778), (7852, 10338)]