28320708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 77051520

約数和(自身を除く): 48730812

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 59, 68, 78, 102, 118, 156, 177, 181, 204, 221, 236, 354, 362, 442, 543, 663, 708, 724, 767, 884, 1003, 1086, 1326, 1534, 2006, 2172, 2301, 2353, 2652, 3009, 3068, 3077, 4012, 4602, 4706, 6018, 6154, 7059, 9204, 9231, 9412, 10679, 12036, 12308, 13039, 14118, 18462, 21358, 26078, 28236, 32037, 36924, 39117, 40001, 42716, 52156, 64074, 78234, 80002, 120003, 128148, 138827, 156468, 160004, 181543, 240006, 277654, 363086, 416481, 480012, 544629, 555308, 726172, 832962, 1089258, 1665924, 2178516, 2360059, 4720118, 7080177, 9440236, 14160354, 28320708]

約数ペア:

[(1, 28320708), (2, 14160354), (3, 9440236), (4, 7080177), (6, 4720118), (12, 2360059), (13, 2178516), (17, 1665924), (26, 1089258), (34, 832962), (39, 726172), (51, 555308), (52, 544629), (59, 480012), (68, 416481), (78, 363086), (102, 277654), (118, 240006), (156, 181543), (177, 160004), (181, 156468), (204, 138827), (221, 128148), (236, 120003), (354, 80002), (362, 78234), (442, 64074), (543, 52156), (663, 42716), (708, 40001), (724, 39117), (767, 36924), (884, 32037), (1003, 28236), (1086, 26078), (1326, 21358), (1534, 18462), (2006, 14118), (2172, 13039), (2301, 12308), (2353, 12036), (2652, 10679), (3009, 9412), (3068, 9231), (3077, 9204), (4012, 7059), (4602, 6154), (4706, 6018)]