12891996

素因数分解:

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

素因数の和:212

約数の個数: 72

約数和(自身を含む): 35519120

約数和(自身を除く): 22627124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 169, 234, 326, 338, 468, 489, 507, 652, 676, 978, 1014, 1467, 1521, 1956, 2028, 2119, 2197, 2934, 3042, 4238, 4394, 5868, 6084, 6357, 6591, 8476, 8788, 12714, 13182, 19071, 19773, 25428, 26364, 27547, 38142, 39546, 55094, 76284, 79092, 82641, 110188, 165282, 247923, 330564, 358111, 495846, 716222, 991692, 1074333, 1432444, 2148666, 3222999, 4297332, 6445998, 12891996]

約数ペア:

[(1, 12891996), (2, 6445998), (3, 4297332), (4, 3222999), (6, 2148666), (9, 1432444), (12, 1074333), (13, 991692), (18, 716222), (26, 495846), (36, 358111), (39, 330564), (52, 247923), (78, 165282), (117, 110188), (156, 82641), (163, 79092), (169, 76284), (234, 55094), (326, 39546), (338, 38142), (468, 27547), (489, 26364), (507, 25428), (652, 19773), (676, 19071), (978, 13182), (1014, 12714), (1467, 8788), (1521, 8476), (1956, 6591), (2028, 6357), (2119, 6084), (2197, 5868), (2934, 4394), (3042, 4238)]