28077444

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 74197760

約数和(自身を除く): 46120316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 181, 186, 278, 279, 362, 372, 417, 543, 556, 558, 724, 834, 1086, 1116, 1251, 1629, 1668, 2172, 2502, 3258, 4309, 5004, 5611, 6516, 8618, 11222, 12927, 16833, 17236, 22444, 25159, 25854, 33666, 38781, 50318, 50499, 51708, 67332, 75477, 77562, 100636, 100998, 150954, 155124, 201996, 226431, 301908, 452862, 779929, 905724, 1559858, 2339787, 3119716, 4679574, 7019361, 9359148, 14038722, 28077444]

約数ペア:

[(1, 28077444), (2, 14038722), (3, 9359148), (4, 7019361), (6, 4679574), (9, 3119716), (12, 2339787), (18, 1559858), (31, 905724), (36, 779929), (62, 452862), (93, 301908), (124, 226431), (139, 201996), (181, 155124), (186, 150954), (278, 100998), (279, 100636), (362, 77562), (372, 75477), (417, 67332), (543, 51708), (556, 50499), (558, 50318), (724, 38781), (834, 33666), (1086, 25854), (1116, 25159), (1251, 22444), (1629, 17236), (1668, 16833), (2172, 12927), (2502, 11222), (3258, 8618), (4309, 6516), (5004, 5611)]