28461636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2201

約数の個数: 72

約数和(自身を含む): 83813184

約数和(自身を除く): 55351548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2131, 2226, 3339, 4262, 4452, 6393, 6678, 8524, 12786, 13356, 14917, 19179, 25572, 29834, 38358, 44751, 59668, 76716, 89502, 112943, 134253, 179004, 225886, 268506, 338829, 451772, 537012, 677658, 790601, 1016487, 1355316, 1581202, 2032974, 2371803, 3162404, 4065948, 4743606, 7115409, 9487212, 14230818, 28461636]

約数ペア:

[(1, 28461636), (2, 14230818), (3, 9487212), (4, 7115409), (6, 4743606), (7, 4065948), (9, 3162404), (12, 2371803), (14, 2032974), (18, 1581202), (21, 1355316), (28, 1016487), (36, 790601), (42, 677658), (53, 537012), (63, 451772), (84, 338829), (106, 268506), (126, 225886), (159, 179004), (212, 134253), (252, 112943), (318, 89502), (371, 76716), (477, 59668), (636, 44751), (742, 38358), (954, 29834), (1113, 25572), (1484, 19179), (1908, 14917), (2131, 13356), (2226, 12786), (3339, 8524), (4262, 6678), (4452, 6393)]