256539192

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1293

約数の個数: 128

約数和(自身を含む): 797852160

約数和(自身を除く): 541312968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 101, 104, 156, 168, 182, 202, 273, 303, 312, 364, 404, 546, 606, 707, 728, 808, 1092, 1163, 1212, 1313, 1414, 2121, 2184, 2326, 2424, 2626, 2828, 3489, 3939, 4242, 4652, 5252, 5656, 6978, 7878, 8141, 8484, 9191, 9304, 10504, 13956, 15119, 15756, 16282, 16968, 18382, 24423, 27573, 27912, 30238, 31512, 32564, 36764, 45357, 48846, 55146, 60476, 65128, 73528, 90714, 97692, 105833, 110292, 117463, 120952, 181428, 195384, 211666, 220584, 234926, 317499, 352389, 362856, 423332, 469852, 634998, 704778, 822241, 846664, 939704, 1269996, 1409556, 1527019, 1644482, 2466723, 2539992, 2819112, 3054038, 3288964, 4581057, 4933446, 6108076, 6577928, 9162114, 9866892, 10689133, 12216152, 18324228, 19733784, 21378266, 32067399, 36648456, 42756532, 64134798, 85513064, 128269596, 256539192]

約数ペア:

[(1, 256539192), (2, 128269596), (3, 85513064), (4, 64134798), (6, 42756532), (7, 36648456), (8, 32067399), (12, 21378266), (13, 19733784), (14, 18324228), (21, 12216152), (24, 10689133), (26, 9866892), (28, 9162114), (39, 6577928), (42, 6108076), (52, 4933446), (56, 4581057), (78, 3288964), (84, 3054038), (91, 2819112), (101, 2539992), (104, 2466723), (156, 1644482), (168, 1527019), (182, 1409556), (202, 1269996), (273, 939704), (303, 846664), (312, 822241), (364, 704778), (404, 634998), (546, 469852), (606, 423332), (707, 362856), (728, 352389), (808, 317499), (1092, 234926), (1163, 220584), (1212, 211666), (1313, 195384), (1414, 181428), (2121, 120952), (2184, 117463), (2326, 110292), (2424, 105833), (2626, 97692), (2828, 90714), (3489, 73528), (3939, 65128), (4242, 60476), (4652, 55146), (5252, 48846), (5656, 45357), (6978, 36764), (7878, 32564), (8141, 31512), (8484, 30238), (9191, 27912), (9304, 27573), (10504, 24423), (13956, 18382), (15119, 16968), (15756, 16282)]