278885412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9769}}^1$

素因数の和:9853

約数の個数: 72

約数和(自身を含む): 771712760

約数和(自身を除く): 492827348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 1098, 1586, 2196, 2379, 3172, 4758, 7137, 9516, 9769, 14274, 19538, 28548, 29307, 39076, 58614, 87921, 117228, 126997, 175842, 253994, 351684, 380991, 507988, 595909, 761982, 1142973, 1191818, 1523964, 1787727, 2285946, 2383636, 3575454, 4571892, 5363181, 7150908, 7746817, 10726362, 15493634, 21452724, 23240451, 30987268, 46480902, 69721353, 92961804, 139442706, 278885412]

約数ペア:

[(1, 278885412), (2, 139442706), (3, 92961804), (4, 69721353), (6, 46480902), (9, 30987268), (12, 23240451), (13, 21452724), (18, 15493634), (26, 10726362), (36, 7746817), (39, 7150908), (52, 5363181), (61, 4571892), (78, 3575454), (117, 2383636), (122, 2285946), (156, 1787727), (183, 1523964), (234, 1191818), (244, 1142973), (366, 761982), (468, 595909), (549, 507988), (732, 380991), (793, 351684), (1098, 253994), (1586, 175842), (2196, 126997), (2379, 117228), (3172, 87921), (4758, 58614), (7137, 39076), (9516, 29307), (9769, 28548), (14274, 19538)]