1989105328

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8069}}^1$

素因数の和:8186

約数の個数: 80

約数和(自身を含む): 4611133440

約数和(自身を除く): 2622028112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 112, 124, 142, 217, 248, 284, 434, 496, 497, 568, 868, 994, 1136, 1736, 1988, 2201, 3472, 3976, 4402, 7952, 8069, 8804, 15407, 16138, 17608, 30814, 32276, 35216, 56483, 61628, 64552, 112966, 123256, 129104, 225932, 246512, 250139, 451864, 500278, 572899, 903728, 1000556, 1145798, 1750973, 2001112, 2291596, 3501946, 4002224, 4010293, 4583192, 7003892, 8020586, 9166384, 14007784, 16041172, 17759869, 28015568, 32082344, 35519738, 64164688, 71039476, 124319083, 142078952, 248638166, 284157904, 497276332, 994552664, 1989105328]

約数ペア:

[(1, 1989105328), (2, 994552664), (4, 497276332), (7, 284157904), (8, 248638166), (14, 142078952), (16, 124319083), (28, 71039476), (31, 64164688), (56, 35519738), (62, 32082344), (71, 28015568), (112, 17759869), (124, 16041172), (142, 14007784), (217, 9166384), (248, 8020586), (284, 7003892), (434, 4583192), (496, 4010293), (497, 4002224), (568, 3501946), (868, 2291596), (994, 2001112), (1136, 1750973), (1736, 1145798), (1988, 1000556), (2201, 903728), (3472, 572899), (3976, 500278), (4402, 451864), (7952, 250139), (8069, 246512), (8804, 225932), (15407, 129104), (16138, 123256), (17608, 112966), (30814, 64552), (32276, 61628), (35216, 56483)]