28215954

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 71823024

約数和(自身を除く): 43607070

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 41, 51, 78, 82, 102, 117, 123, 153, 173, 221, 234, 246, 306, 346, 369, 442, 519, 533, 663, 697, 738, 1038, 1066, 1326, 1394, 1557, 1599, 1989, 2091, 2249, 2941, 3114, 3198, 3978, 4182, 4498, 4797, 5882, 6273, 6747, 7093, 8823, 9061, 9594, 12546, 13494, 14186, 17646, 18122, 20241, 21279, 26469, 27183, 38233, 40482, 42558, 52938, 54366, 63837, 76466, 81549, 92209, 114699, 120581, 127674, 163098, 184418, 229398, 241162, 276627, 344097, 361743, 553254, 688194, 723486, 829881, 1085229, 1567553, 1659762, 2170458, 3135106, 4702659, 9405318, 14107977, 28215954]

約数ペア:

[(1, 28215954), (2, 14107977), (3, 9405318), (6, 4702659), (9, 3135106), (13, 2170458), (17, 1659762), (18, 1567553), (26, 1085229), (34, 829881), (39, 723486), (41, 688194), (51, 553254), (78, 361743), (82, 344097), (102, 276627), (117, 241162), (123, 229398), (153, 184418), (173, 163098), (221, 127674), (234, 120581), (246, 114699), (306, 92209), (346, 81549), (369, 76466), (442, 63837), (519, 54366), (533, 52938), (663, 42558), (697, 40482), (738, 38233), (1038, 27183), (1066, 26469), (1326, 21279), (1394, 20241), (1557, 18122), (1599, 17646), (1989, 14186), (2091, 13494), (2249, 12546), (2941, 9594), (3114, 9061), (3198, 8823), (3978, 7093), (4182, 6747), (4498, 6273), (4797, 5882)]