641890836

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8101}}^1$

素因数の和:8213

約数の個数: 72

約数和(自身を含む): 1698697728

約数和(自身を除く): 1056806892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 124, 142, 186, 213, 279, 284, 372, 426, 558, 639, 852, 1116, 1278, 2201, 2556, 4402, 6603, 8101, 8804, 13206, 16202, 19809, 24303, 26412, 32404, 39618, 48606, 72909, 79236, 97212, 145818, 251131, 291636, 502262, 575171, 753393, 1004524, 1150342, 1506786, 1725513, 2260179, 2300684, 3013572, 3451026, 4520358, 5176539, 6902052, 9040716, 10353078, 17830301, 20706156, 35660602, 53490903, 71321204, 106981806, 160472709, 213963612, 320945418, 641890836]

約数ペア:

[(1, 641890836), (2, 320945418), (3, 213963612), (4, 160472709), (6, 106981806), (9, 71321204), (12, 53490903), (18, 35660602), (31, 20706156), (36, 17830301), (62, 10353078), (71, 9040716), (93, 6902052), (124, 5176539), (142, 4520358), (186, 3451026), (213, 3013572), (279, 2300684), (284, 2260179), (372, 1725513), (426, 1506786), (558, 1150342), (639, 1004524), (852, 753393), (1116, 575171), (1278, 502262), (2201, 291636), (2556, 251131), (4402, 145818), (6603, 97212), (8101, 79236), (8804, 72909), (13206, 48606), (16202, 39618), (19809, 32404), (24303, 26412)]