201520618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 368831232

約数和(自身を除く): 167310614

約数列:

[1, 2, 13, 17, 23, 26, 34, 43, 46, 86, 221, 299, 391, 442, 461, 559, 598, 731, 782, 922, 989, 1118, 1462, 1978, 5083, 5993, 7837, 9503, 10166, 10603, 11986, 12857, 15674, 16813, 19006, 19823, 21206, 25714, 33626, 39646, 101881, 137839, 180251, 203762, 218569, 257699, 275678, 336991, 360502, 437138, 455929, 515398, 673982, 911858, 2343263, 4380883, 4686526, 5927077, 7750793, 8761766, 11854154, 15501586, 100760309, 201520618]

約数ペア:

[(1, 201520618), (2, 100760309), (13, 15501586), (17, 11854154), (23, 8761766), (26, 7750793), (34, 5927077), (43, 4686526), (46, 4380883), (86, 2343263), (221, 911858), (299, 673982), (391, 515398), (442, 455929), (461, 437138), (559, 360502), (598, 336991), (731, 275678), (782, 257699), (922, 218569), (989, 203762), (1118, 180251), (1462, 137839), (1978, 101881), (5083, 39646), (5993, 33626), (7837, 25714), (9503, 21206), (10166, 19823), (10603, 19006), (11986, 16813), (12857, 15674)]