389905848

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2393}}^1$

素因数の和:2509

約数の個数: 96

約数和(自身を含む): 1105453440

約数和(自身を除く): 715547592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 73, 93, 124, 146, 186, 219, 248, 279, 292, 372, 438, 558, 584, 657, 744, 876, 1116, 1314, 1752, 2232, 2263, 2393, 2628, 4526, 4786, 5256, 6789, 7179, 9052, 9572, 13578, 14358, 18104, 19144, 20367, 21537, 27156, 28716, 40734, 43074, 54312, 57432, 74183, 81468, 86148, 148366, 162936, 172296, 174689, 222549, 296732, 349378, 445098, 524067, 593464, 667647, 698756, 890196, 1048134, 1335294, 1397512, 1572201, 1780392, 2096268, 2670588, 3144402, 4192536, 5341176, 5415359, 6288804, 10830718, 12577608, 16246077, 21661436, 32492154, 43322872, 48738231, 64984308, 97476462, 129968616, 194952924, 389905848]

約数ペア:

[(1, 389905848), (2, 194952924), (3, 129968616), (4, 97476462), (6, 64984308), (8, 48738231), (9, 43322872), (12, 32492154), (18, 21661436), (24, 16246077), (31, 12577608), (36, 10830718), (62, 6288804), (72, 5415359), (73, 5341176), (93, 4192536), (124, 3144402), (146, 2670588), (186, 2096268), (219, 1780392), (248, 1572201), (279, 1397512), (292, 1335294), (372, 1048134), (438, 890196), (558, 698756), (584, 667647), (657, 593464), (744, 524067), (876, 445098), (1116, 349378), (1314, 296732), (1752, 222549), (2232, 174689), (2263, 172296), (2393, 162936), (2628, 148366), (4526, 86148), (4786, 81468), (5256, 74183), (6789, 57432), (7179, 54312), (9052, 43074), (9572, 40734), (13578, 28716), (14358, 27156), (18104, 21537), (19144, 20367)]