398075216

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1553

約数の個数: 120

約数和(自身を含む): 1011006720

約数和(自身を除く): 612931504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 248, 308, 341, 392, 434, 496, 539, 616, 682, 784, 868, 1078, 1232, 1364, 1489, 1519, 1736, 2156, 2387, 2728, 2978, 3038, 3472, 4312, 4774, 5456, 5956, 6076, 8624, 9548, 10423, 11912, 12152, 16379, 16709, 19096, 20846, 23824, 24304, 32758, 33418, 38192, 41692, 46159, 65516, 66836, 72961, 83384, 92318, 114653, 131032, 133672, 145922, 166768, 184636, 229306, 262064, 267344, 291844, 323113, 369272, 458612, 507749, 583688, 646226, 738544, 802571, 917224, 1015498, 1167376, 1292452, 1605142, 1834448, 2030996, 2261791, 2584904, 3210284, 3554243, 4061992, 4523582, 5169808, 6420568, 7108486, 8123984, 9047164, 12841136, 14216972, 18094328, 24879701, 28433944, 36188656, 49759402, 56867888, 99518804, 199037608, 398075216]

約数ペア:

[(1, 398075216), (2, 199037608), (4, 99518804), (7, 56867888), (8, 49759402), (11, 36188656), (14, 28433944), (16, 24879701), (22, 18094328), (28, 14216972), (31, 12841136), (44, 9047164), (49, 8123984), (56, 7108486), (62, 6420568), (77, 5169808), (88, 4523582), (98, 4061992), (112, 3554243), (124, 3210284), (154, 2584904), (176, 2261791), (196, 2030996), (217, 1834448), (248, 1605142), (308, 1292452), (341, 1167376), (392, 1015498), (434, 917224), (496, 802571), (539, 738544), (616, 646226), (682, 583688), (784, 507749), (868, 458612), (1078, 369272), (1232, 323113), (1364, 291844), (1489, 267344), (1519, 262064), (1736, 229306), (2156, 184636), (2387, 166768), (2728, 145922), (2978, 133672), (3038, 131032), (3472, 114653), (4312, 92318), (4774, 83384), (5456, 72961), (5956, 66836), (6076, 65516), (8624, 46159), (9548, 41692), (10423, 38192), (11912, 33418), (12152, 32758), (16379, 24304), (16709, 23824), (19096, 20846)]