31517928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 92951040

約数和(自身を除く): 61433112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 151, 156, 223, 234, 302, 312, 446, 453, 468, 604, 669, 892, 906, 936, 1208, 1338, 1359, 1784, 1812, 1963, 2007, 2676, 2718, 2899, 3624, 3926, 4014, 5352, 5436, 5798, 5889, 7852, 8028, 8697, 10872, 11596, 11778, 15704, 16056, 17394, 17667, 23192, 23556, 26091, 33673, 34788, 35334, 47112, 52182, 67346, 69576, 70668, 101019, 104364, 134692, 141336, 202038, 208728, 269384, 303057, 404076, 437749, 606114, 808152, 875498, 1212228, 1313247, 1750996, 2424456, 2626494, 3501992, 3939741, 5252988, 7879482, 10505976, 15758964, 31517928]

約数ペア:

[(1, 31517928), (2, 15758964), (3, 10505976), (4, 7879482), (6, 5252988), (8, 3939741), (9, 3501992), (12, 2626494), (13, 2424456), (18, 1750996), (24, 1313247), (26, 1212228), (36, 875498), (39, 808152), (52, 606114), (72, 437749), (78, 404076), (104, 303057), (117, 269384), (151, 208728), (156, 202038), (223, 141336), (234, 134692), (302, 104364), (312, 101019), (446, 70668), (453, 69576), (468, 67346), (604, 52182), (669, 47112), (892, 35334), (906, 34788), (936, 33673), (1208, 26091), (1338, 23556), (1359, 23192), (1784, 17667), (1812, 17394), (1963, 16056), (2007, 15704), (2676, 11778), (2718, 11596), (2899, 10872), (3624, 8697), (3926, 8028), (4014, 7852), (5352, 5889), (5436, 5798)]