188428428

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1787}}^1$

素因数の和:1927

約数の個数: 72

約数和(自身を含む): 497886480

約数和(自身を除く): 309458052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 101, 116, 174, 202, 261, 303, 348, 404, 522, 606, 909, 1044, 1212, 1787, 1818, 2929, 3574, 3636, 5361, 5858, 7148, 8787, 10722, 11716, 16083, 17574, 21444, 26361, 32166, 35148, 51823, 52722, 64332, 103646, 105444, 155469, 180487, 207292, 310938, 360974, 466407, 541461, 621876, 721948, 932814, 1082922, 1624383, 1865628, 2165844, 3248766, 5234123, 6497532, 10468246, 15702369, 20936492, 31404738, 47107107, 62809476, 94214214, 188428428]

約数ペア:

[(1, 188428428), (2, 94214214), (3, 62809476), (4, 47107107), (6, 31404738), (9, 20936492), (12, 15702369), (18, 10468246), (29, 6497532), (36, 5234123), (58, 3248766), (87, 2165844), (101, 1865628), (116, 1624383), (174, 1082922), (202, 932814), (261, 721948), (303, 621876), (348, 541461), (404, 466407), (522, 360974), (606, 310938), (909, 207292), (1044, 180487), (1212, 155469), (1787, 105444), (1818, 103646), (2929, 64332), (3574, 52722), (3636, 51823), (5361, 35148), (5858, 32166), (7148, 26361), (8787, 21444), (10722, 17574), (11716, 16083)]