1279430048

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{359}}^1\times {\mathrm{659}}^1$

素因数の和:1054

約数の個数: 72

約数和(自身を含む): 2739290400

約数和(自身を除く): 1459860352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 359, 416, 659, 676, 718, 1318, 1352, 1436, 2636, 2704, 2872, 4667, 5272, 5408, 5744, 8567, 9334, 10544, 11488, 17134, 18668, 21088, 34268, 37336, 60671, 68536, 74672, 111371, 121342, 137072, 149344, 222742, 236581, 242684, 274144, 445484, 473162, 485368, 890968, 946324, 970736, 1781936, 1892648, 1941472, 3075553, 3563872, 3785296, 6151106, 7570592, 12302212, 24604424, 39982189, 49208848, 79964378, 98417696, 159928756, 319857512, 639715024, 1279430048]

約数ペア:

[(1, 1279430048), (2, 639715024), (4, 319857512), (8, 159928756), (13, 98417696), (16, 79964378), (26, 49208848), (32, 39982189), (52, 24604424), (104, 12302212), (169, 7570592), (208, 6151106), (338, 3785296), (359, 3563872), (416, 3075553), (659, 1941472), (676, 1892648), (718, 1781936), (1318, 970736), (1352, 946324), (1436, 890968), (2636, 485368), (2704, 473162), (2872, 445484), (4667, 274144), (5272, 242684), (5408, 236581), (5744, 222742), (8567, 149344), (9334, 137072), (10544, 121342), (11488, 111371), (17134, 74672), (18668, 68536), (21088, 60671), (34268, 37336)]