81716076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10271}}^1$

素因数の和:10311

約数の個数: 72

約数和(自身を含む): 235557504

約数和(自身を除く): 153841428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 10271, 20542, 30813, 41084, 61626, 92439, 123252, 133523, 174607, 184878, 267046, 349214, 369756, 400569, 523821, 534092, 698428, 801138, 1047642, 1201707, 1571463, 1602276, 2095284, 2269891, 2403414, 3142926, 4539782, 4806828, 6285852, 6809673, 9079564, 13619346, 20429019, 27238692, 40858038, 81716076]

約数ペア:

[(1, 81716076), (2, 40858038), (3, 27238692), (4, 20429019), (6, 13619346), (9, 9079564), (12, 6809673), (13, 6285852), (17, 4806828), (18, 4539782), (26, 3142926), (34, 2403414), (36, 2269891), (39, 2095284), (51, 1602276), (52, 1571463), (68, 1201707), (78, 1047642), (102, 801138), (117, 698428), (153, 534092), (156, 523821), (204, 400569), (221, 369756), (234, 349214), (306, 267046), (442, 184878), (468, 174607), (612, 133523), (663, 123252), (884, 92439), (1326, 61626), (1989, 41084), (2652, 30813), (3978, 20542), (7956, 10271)]