81914364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19121}}^1$

素因数の和:19155

約数の個数: 72

約数和(自身を含む): 250574688

約数和(自身を除く): 168660324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 19121, 38242, 57363, 76484, 114726, 133847, 172089, 229452, 267694, 325057, 344178, 401541, 535388, 650114, 688356, 803082, 975171, 1204623, 1300228, 1606164, 1950342, 2275399, 2409246, 2925513, 3900684, 4550798, 4818492, 5851026, 6826197, 9101596, 11702052, 13652394, 20478591, 27304788, 40957182, 81914364]

約数ペア:

[(1, 81914364), (2, 40957182), (3, 27304788), (4, 20478591), (6, 13652394), (7, 11702052), (9, 9101596), (12, 6826197), (14, 5851026), (17, 4818492), (18, 4550798), (21, 3900684), (28, 2925513), (34, 2409246), (36, 2275399), (42, 1950342), (51, 1606164), (63, 1300228), (68, 1204623), (84, 975171), (102, 803082), (119, 688356), (126, 650114), (153, 535388), (204, 401541), (238, 344178), (252, 325057), (306, 267694), (357, 229452), (476, 172089), (612, 133847), (714, 114726), (1071, 76484), (1428, 57363), (2142, 38242), (4284, 19121)]