25231128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 48796392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 67, 68, 71, 78, 102, 104, 134, 136, 142, 156, 201, 204, 213, 221, 268, 284, 312, 402, 408, 426, 442, 536, 568, 663, 804, 852, 871, 884, 923, 1139, 1207, 1326, 1608, 1704, 1742, 1768, 1846, 2278, 2414, 2613, 2652, 2769, 3417, 3484, 3621, 3692, 4556, 4757, 4828, 5226, 5304, 5538, 6834, 6968, 7242, 7384, 9112, 9514, 9656, 10452, 11076, 13668, 14271, 14484, 14807, 15691, 19028, 20904, 22152, 27336, 28542, 28968, 29614, 31382, 38056, 44421, 47073, 57084, 59228, 61841, 62764, 80869, 88842, 94146, 114168, 118456, 123682, 125528, 161738, 177684, 185523, 188292, 242607, 247364, 323476, 355368, 371046, 376584, 485214, 494728, 646952, 742092, 970428, 1051297, 1484184, 1940856, 2102594, 3153891, 4205188, 6307782, 8410376, 12615564, 25231128]

約数ペア:

[(1, 25231128), (2, 12615564), (3, 8410376), (4, 6307782), (6, 4205188), (8, 3153891), (12, 2102594), (13, 1940856), (17, 1484184), (24, 1051297), (26, 970428), (34, 742092), (39, 646952), (51, 494728), (52, 485214), (67, 376584), (68, 371046), (71, 355368), (78, 323476), (102, 247364), (104, 242607), (134, 188292), (136, 185523), (142, 177684), (156, 161738), (201, 125528), (204, 123682), (213, 118456), (221, 114168), (268, 94146), (284, 88842), (312, 80869), (402, 62764), (408, 61841), (426, 59228), (442, 57084), (536, 47073), (568, 44421), (663, 38056), (804, 31382), (852, 29614), (871, 28968), (884, 28542), (923, 27336), (1139, 22152), (1207, 20904), (1326, 19028), (1608, 15691), (1704, 14807), (1742, 14484), (1768, 14271), (1846, 13668), (2278, 11076), (2414, 10452), (2613, 9656), (2652, 9514), (2769, 9112), (3417, 7384), (3484, 7242), (3621, 6968), (3692, 6834), (4556, 5538), (4757, 5304), (4828, 5226)]