28027272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 88623360

約数和(自身を除く): 60596088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 41, 42, 52, 56, 78, 82, 84, 91, 104, 123, 156, 164, 168, 182, 246, 273, 287, 312, 313, 328, 364, 492, 533, 546, 574, 626, 728, 861, 939, 984, 1066, 1092, 1148, 1252, 1599, 1722, 1878, 2132, 2184, 2191, 2296, 2504, 3198, 3444, 3731, 3756, 4069, 4264, 4382, 6396, 6573, 6888, 7462, 7512, 8138, 8764, 11193, 12207, 12792, 12833, 13146, 14924, 16276, 17528, 22386, 24414, 25666, 26292, 28483, 29848, 32552, 38499, 44772, 48828, 51332, 52584, 56966, 76998, 85449, 89544, 89831, 97656, 102664, 113932, 153996, 166829, 170898, 179662, 227864, 269493, 307992, 333658, 341796, 359324, 500487, 538986, 667316, 683592, 718648, 1000974, 1077972, 1167803, 1334632, 2001948, 2155944, 2335606, 3503409, 4003896, 4671212, 7006818, 9342424, 14013636, 28027272]

約数ペア:

[(1, 28027272), (2, 14013636), (3, 9342424), (4, 7006818), (6, 4671212), (7, 4003896), (8, 3503409), (12, 2335606), (13, 2155944), (14, 2001948), (21, 1334632), (24, 1167803), (26, 1077972), (28, 1000974), (39, 718648), (41, 683592), (42, 667316), (52, 538986), (56, 500487), (78, 359324), (82, 341796), (84, 333658), (91, 307992), (104, 269493), (123, 227864), (156, 179662), (164, 170898), (168, 166829), (182, 153996), (246, 113932), (273, 102664), (287, 97656), (312, 89831), (313, 89544), (328, 85449), (364, 76998), (492, 56966), (533, 52584), (546, 51332), (574, 48828), (626, 44772), (728, 38499), (861, 32552), (939, 29848), (984, 28483), (1066, 26292), (1092, 25666), (1148, 24414), (1252, 22386), (1599, 17528), (1722, 16276), (1878, 14924), (2132, 13146), (2184, 12833), (2191, 12792), (2296, 12207), (2504, 11193), (3198, 8764), (3444, 8138), (3731, 7512), (3756, 7462), (4069, 6888), (4264, 6573), (4382, 6396)]