28472886

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 66830400

約数和(自身を除く): 38357514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 271, 449, 542, 813, 898, 1347, 1626, 2439, 2694, 3523, 4041, 4878, 5837, 7046, 8082, 10569, 11674, 17511, 21138, 31707, 35022, 52533, 63414, 105066, 121679, 243358, 365037, 730074, 1095111, 1581827, 2190222, 3163654, 4745481, 9490962, 14236443, 28472886]

約数ペア:

[(1, 28472886), (2, 14236443), (3, 9490962), (6, 4745481), (9, 3163654), (13, 2190222), (18, 1581827), (26, 1095111), (39, 730074), (78, 365037), (117, 243358), (234, 121679), (271, 105066), (449, 63414), (542, 52533), (813, 35022), (898, 31707), (1347, 21138), (1626, 17511), (2439, 11674), (2694, 10569), (3523, 8082), (4041, 7046), (4878, 5837)]