81385902

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 206388000

約数和(自身を除く): 125002098

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 41, 51, 78, 82, 102, 117, 123, 153, 221, 234, 246, 306, 369, 442, 499, 533, 663, 697, 738, 998, 1066, 1326, 1394, 1497, 1599, 1989, 2091, 2994, 3198, 3978, 4182, 4491, 4797, 6273, 6487, 8483, 8982, 9061, 9594, 12546, 12974, 16966, 18122, 19461, 20459, 25449, 27183, 38922, 40918, 50898, 54366, 58383, 61377, 76347, 81549, 110279, 116766, 122754, 152694, 163098, 184131, 220558, 265967, 330837, 347803, 368262, 531934, 661674, 695606, 797901, 992511, 1043409, 1595802, 1985022, 2086818, 2393703, 3130227, 4521439, 4787406, 6260454, 9042878, 13564317, 27128634, 40692951, 81385902]

約数ペア:

[(1, 81385902), (2, 40692951), (3, 27128634), (6, 13564317), (9, 9042878), (13, 6260454), (17, 4787406), (18, 4521439), (26, 3130227), (34, 2393703), (39, 2086818), (41, 1985022), (51, 1595802), (78, 1043409), (82, 992511), (102, 797901), (117, 695606), (123, 661674), (153, 531934), (221, 368262), (234, 347803), (246, 330837), (306, 265967), (369, 220558), (442, 184131), (499, 163098), (533, 152694), (663, 122754), (697, 116766), (738, 110279), (998, 81549), (1066, 76347), (1326, 61377), (1394, 58383), (1497, 54366), (1599, 50898), (1989, 40918), (2091, 38922), (2994, 27183), (3198, 25449), (3978, 20459), (4182, 19461), (4491, 18122), (4797, 16966), (6273, 12974), (6487, 12546), (8483, 9594), (8982, 9061)]