81662152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 202251600

約数和(自身を除く): 120589448

約数列:

[1, 2, 4, 8, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 88, 104, 136, 143, 152, 169, 187, 209, 221, 247, 286, 289, 323, 338, 374, 418, 442, 494, 572, 578, 646, 676, 748, 836, 884, 988, 1144, 1156, 1292, 1352, 1496, 1672, 1768, 1859, 1976, 2312, 2431, 2584, 2717, 2873, 3179, 3211, 3553, 3718, 3757, 4199, 4862, 5434, 5491, 5746, 6358, 6422, 7106, 7436, 7514, 8398, 9724, 10868, 10982, 11492, 12716, 12844, 14212, 14872, 15028, 16796, 19448, 21736, 21964, 22984, 25432, 25688, 28424, 30056, 31603, 33592, 35321, 41327, 43928, 46189, 48841, 54587, 60401, 63206, 70642, 71383, 82654, 92378, 97682, 109174, 120802, 126412, 141284, 142766, 165308, 184756, 195364, 218348, 241604, 252824, 282568, 285532, 330616, 369512, 390728, 436696, 483208, 537251, 571064, 600457, 785213, 927979, 1074502, 1200914, 1570426, 1855958, 2149004, 2401828, 3140852, 3711916, 4298008, 4803656, 6281704, 7423832, 10207769, 20415538, 40831076, 81662152]

約数ペア:

[(1, 81662152), (2, 40831076), (4, 20415538), (8, 10207769), (11, 7423832), (13, 6281704), (17, 4803656), (19, 4298008), (22, 3711916), (26, 3140852), (34, 2401828), (38, 2149004), (44, 1855958), (52, 1570426), (68, 1200914), (76, 1074502), (88, 927979), (104, 785213), (136, 600457), (143, 571064), (152, 537251), (169, 483208), (187, 436696), (209, 390728), (221, 369512), (247, 330616), (286, 285532), (289, 282568), (323, 252824), (338, 241604), (374, 218348), (418, 195364), (442, 184756), (494, 165308), (572, 142766), (578, 141284), (646, 126412), (676, 120802), (748, 109174), (836, 97682), (884, 92378), (988, 82654), (1144, 71383), (1156, 70642), (1292, 63206), (1352, 60401), (1496, 54587), (1672, 48841), (1768, 46189), (1859, 43928), (1976, 41327), (2312, 35321), (2431, 33592), (2584, 31603), (2717, 30056), (2873, 28424), (3179, 25688), (3211, 25432), (3553, 22984), (3718, 21964), (3757, 21736), (4199, 19448), (4862, 16796), (5434, 15028), (5491, 14872), (5746, 14212), (6358, 12844), (6422, 12716), (7106, 11492), (7436, 10982), (7514, 10868), (8398, 9724)]