28579788

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 108

約数和(自身を含む): 79788072

約数和(自身を除く): 51208284

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 67, 68, 82, 102, 123, 134, 153, 164, 201, 204, 246, 268, 289, 306, 369, 402, 492, 578, 603, 612, 697, 738, 804, 867, 1139, 1156, 1206, 1394, 1476, 1734, 2091, 2278, 2412, 2601, 2747, 2788, 3417, 3468, 4182, 4556, 5202, 5494, 6273, 6834, 8241, 8364, 10251, 10404, 10988, 11849, 12546, 13668, 16482, 19363, 20502, 23698, 24723, 25092, 32964, 35547, 38726, 41004, 46699, 47396, 49446, 58089, 71094, 77452, 93398, 98892, 106641, 116178, 140097, 142188, 174267, 186796, 213282, 232356, 280194, 348534, 420291, 426564, 560388, 697068, 793883, 840582, 1587766, 1681164, 2381649, 3175532, 4763298, 7144947, 9526596, 14289894, 28579788]

約数ペア:

[(1, 28579788), (2, 14289894), (3, 9526596), (4, 7144947), (6, 4763298), (9, 3175532), (12, 2381649), (17, 1681164), (18, 1587766), (34, 840582), (36, 793883), (41, 697068), (51, 560388), (67, 426564), (68, 420291), (82, 348534), (102, 280194), (123, 232356), (134, 213282), (153, 186796), (164, 174267), (201, 142188), (204, 140097), (246, 116178), (268, 106641), (289, 98892), (306, 93398), (369, 77452), (402, 71094), (492, 58089), (578, 49446), (603, 47396), (612, 46699), (697, 41004), (738, 38726), (804, 35547), (867, 32964), (1139, 25092), (1156, 24723), (1206, 23698), (1394, 20502), (1476, 19363), (1734, 16482), (2091, 13668), (2278, 12546), (2412, 11849), (2601, 10988), (2747, 10404), (2788, 10251), (3417, 8364), (3468, 8241), (4182, 6834), (4556, 6273), (5202, 5494)]