28213536

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 84115584

約数和(自身を除く): 55902048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 47, 48, 52, 74, 78, 94, 96, 104, 111, 141, 148, 156, 169, 188, 208, 222, 282, 296, 312, 338, 376, 416, 444, 481, 507, 564, 592, 611, 624, 676, 752, 888, 962, 1014, 1128, 1184, 1222, 1248, 1352, 1443, 1504, 1739, 1776, 1833, 1924, 2028, 2256, 2444, 2704, 2886, 3478, 3552, 3666, 3848, 4056, 4512, 4888, 5217, 5408, 5772, 6253, 6956, 7332, 7696, 7943, 8112, 9776, 10434, 11544, 12506, 13912, 14664, 15392, 15886, 16224, 18759, 19552, 20868, 22607, 23088, 23829, 25012, 27824, 29328, 31772, 37518, 41736, 45214, 46176, 47658, 50024, 55648, 58656, 63544, 67821, 75036, 83472, 90428, 95316, 100048, 127088, 135642, 150072, 166944, 180856, 190632, 200096, 254176, 271284, 293891, 300144, 361712, 381264, 542568, 587782, 600288, 723424, 762528, 881673, 1085136, 1175564, 1763346, 2170272, 2351128, 3526692, 4702256, 7053384, 9404512, 14106768, 28213536]

約数ペア:

[(1, 28213536), (2, 14106768), (3, 9404512), (4, 7053384), (6, 4702256), (8, 3526692), (12, 2351128), (13, 2170272), (16, 1763346), (24, 1175564), (26, 1085136), (32, 881673), (37, 762528), (39, 723424), (47, 600288), (48, 587782), (52, 542568), (74, 381264), (78, 361712), (94, 300144), (96, 293891), (104, 271284), (111, 254176), (141, 200096), (148, 190632), (156, 180856), (169, 166944), (188, 150072), (208, 135642), (222, 127088), (282, 100048), (296, 95316), (312, 90428), (338, 83472), (376, 75036), (416, 67821), (444, 63544), (481, 58656), (507, 55648), (564, 50024), (592, 47658), (611, 46176), (624, 45214), (676, 41736), (752, 37518), (888, 31772), (962, 29328), (1014, 27824), (1128, 25012), (1184, 23829), (1222, 23088), (1248, 22607), (1352, 20868), (1443, 19552), (1504, 18759), (1739, 16224), (1776, 15886), (1833, 15392), (1924, 14664), (2028, 13912), (2256, 12506), (2444, 11544), (2704, 10434), (2886, 9776), (3478, 8112), (3552, 7943), (3666, 7696), (3848, 7332), (4056, 6956), (4512, 6253), (4888, 5772), (5217, 5408)]