74987172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{983}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 205593024

約数和(自身を除く): 130605852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 326, 468, 489, 652, 978, 983, 1467, 1956, 1966, 2119, 2934, 2949, 3932, 4238, 5868, 5898, 6357, 8476, 8847, 11796, 12714, 12779, 17694, 19071, 25428, 25558, 35388, 38142, 38337, 51116, 76284, 76674, 115011, 153348, 160229, 230022, 320458, 460044, 480687, 640916, 961374, 1442061, 1922748, 2082977, 2884122, 4165954, 5768244, 6248931, 8331908, 12497862, 18746793, 24995724, 37493586, 74987172]

約数ペア:

[(1, 74987172), (2, 37493586), (3, 24995724), (4, 18746793), (6, 12497862), (9, 8331908), (12, 6248931), (13, 5768244), (18, 4165954), (26, 2884122), (36, 2082977), (39, 1922748), (52, 1442061), (78, 961374), (117, 640916), (156, 480687), (163, 460044), (234, 320458), (326, 230022), (468, 160229), (489, 153348), (652, 115011), (978, 76674), (983, 76284), (1467, 51116), (1956, 38337), (1966, 38142), (2119, 35388), (2934, 25558), (2949, 25428), (3932, 19071), (4238, 17694), (5868, 12779), (5898, 12714), (6357, 11796), (8476, 8847)]