28993848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 84537600

約数和(自身を除く): 55543752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 67, 73, 76, 78, 104, 114, 134, 146, 152, 156, 201, 219, 228, 247, 268, 292, 312, 402, 438, 456, 494, 536, 584, 741, 804, 871, 876, 949, 988, 1273, 1387, 1482, 1608, 1742, 1752, 1898, 1976, 2546, 2613, 2774, 2847, 2964, 3484, 3796, 3819, 4161, 4891, 5092, 5226, 5548, 5694, 5928, 6968, 7592, 7638, 8322, 9782, 10184, 10452, 11096, 11388, 14673, 15276, 16549, 16644, 18031, 19564, 20904, 22776, 29346, 30552, 33098, 33288, 36062, 39128, 49647, 54093, 58692, 63583, 66196, 72124, 92929, 99294, 108186, 117384, 127166, 132392, 144248, 185858, 190749, 198588, 216372, 254332, 278787, 371716, 381498, 397176, 432744, 508664, 557574, 743432, 762996, 1115148, 1208077, 1525992, 2230296, 2416154, 3624231, 4832308, 7248462, 9664616, 14496924, 28993848]

約数ペア:

[(1, 28993848), (2, 14496924), (3, 9664616), (4, 7248462), (6, 4832308), (8, 3624231), (12, 2416154), (13, 2230296), (19, 1525992), (24, 1208077), (26, 1115148), (38, 762996), (39, 743432), (52, 557574), (57, 508664), (67, 432744), (73, 397176), (76, 381498), (78, 371716), (104, 278787), (114, 254332), (134, 216372), (146, 198588), (152, 190749), (156, 185858), (201, 144248), (219, 132392), (228, 127166), (247, 117384), (268, 108186), (292, 99294), (312, 92929), (402, 72124), (438, 66196), (456, 63583), (494, 58692), (536, 54093), (584, 49647), (741, 39128), (804, 36062), (871, 33288), (876, 33098), (949, 30552), (988, 29346), (1273, 22776), (1387, 20904), (1482, 19564), (1608, 18031), (1742, 16644), (1752, 16549), (1898, 15276), (1976, 14673), (2546, 11388), (2613, 11096), (2774, 10452), (2847, 10184), (2964, 9782), (3484, 8322), (3796, 7638), (3819, 7592), (4161, 6968), (4891, 5928), (5092, 5694), (5226, 5548)]