28127988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 108

約数和(自身を含む): 85347808

約数和(自身を除く): 57219820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 211, 252, 276, 322, 414, 422, 483, 529, 633, 644, 828, 844, 966, 1058, 1266, 1449, 1477, 1587, 1899, 1932, 2116, 2532, 2898, 2954, 3174, 3703, 3798, 4431, 4761, 4853, 5796, 5908, 6348, 7406, 7596, 8862, 9522, 9706, 11109, 13293, 14559, 14812, 17724, 19044, 19412, 22218, 26586, 29118, 33327, 33971, 43677, 44436, 53172, 58236, 66654, 67942, 87354, 101913, 111619, 133308, 135884, 174708, 203826, 223238, 305739, 334857, 407652, 446476, 611478, 669714, 781333, 1004571, 1222956, 1339428, 1562666, 2009142, 2343999, 3125332, 4018284, 4687998, 7031997, 9375996, 14063994, 28127988]

約数ペア:

[(1, 28127988), (2, 14063994), (3, 9375996), (4, 7031997), (6, 4687998), (7, 4018284), (9, 3125332), (12, 2343999), (14, 2009142), (18, 1562666), (21, 1339428), (23, 1222956), (28, 1004571), (36, 781333), (42, 669714), (46, 611478), (63, 446476), (69, 407652), (84, 334857), (92, 305739), (126, 223238), (138, 203826), (161, 174708), (207, 135884), (211, 133308), (252, 111619), (276, 101913), (322, 87354), (414, 67942), (422, 66654), (483, 58236), (529, 53172), (633, 44436), (644, 43677), (828, 33971), (844, 33327), (966, 29118), (1058, 26586), (1266, 22218), (1449, 19412), (1477, 19044), (1587, 17724), (1899, 14812), (1932, 14559), (2116, 13293), (2532, 11109), (2898, 9706), (2954, 9522), (3174, 8862), (3703, 7596), (3798, 7406), (4431, 6348), (4761, 5908), (4853, 5796)]