128597248

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 292827528

約数和(自身を除く): 164230280

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 2273, 3328, 3536, 4352, 4546, 7072, 9092, 14144, 18184, 28288, 29549, 36368, 38641, 56576, 59098, 72736, 77282, 118196, 145472, 154564, 236392, 290944, 309128, 472784, 502333, 581888, 618256, 945568, 1004666, 1236512, 1891136, 2009332, 2473024, 3782272, 4018664, 4946048, 7564544, 8037328, 9892096, 16074656, 32149312, 64298624, 128597248]

約数ペア:

[(1, 128597248), (2, 64298624), (4, 32149312), (8, 16074656), (13, 9892096), (16, 8037328), (17, 7564544), (26, 4946048), (32, 4018664), (34, 3782272), (52, 2473024), (64, 2009332), (68, 1891136), (104, 1236512), (128, 1004666), (136, 945568), (208, 618256), (221, 581888), (256, 502333), (272, 472784), (416, 309128), (442, 290944), (544, 236392), (832, 154564), (884, 145472), (1088, 118196), (1664, 77282), (1768, 72736), (2176, 59098), (2273, 56576), (3328, 38641), (3536, 36368), (4352, 29549), (4546, 28288), (7072, 18184), (9092, 14144)]