138820356

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2347}}^1$

素因数の和:2441

約数の個数: 72

約数和(自身を含む): 369218304

約数和(自身を除く): 230397948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 93, 106, 124, 159, 186, 212, 279, 318, 372, 477, 558, 636, 954, 1116, 1643, 1908, 2347, 3286, 4694, 4929, 6572, 7041, 9388, 9858, 14082, 14787, 19716, 21123, 28164, 29574, 42246, 59148, 72757, 84492, 124391, 145514, 218271, 248782, 291028, 373173, 436542, 497564, 654813, 746346, 873084, 1119519, 1309626, 1492692, 2239038, 2619252, 3856121, 4478076, 7712242, 11568363, 15424484, 23136726, 34705089, 46273452, 69410178, 138820356]

約数ペア:

[(1, 138820356), (2, 69410178), (3, 46273452), (4, 34705089), (6, 23136726), (9, 15424484), (12, 11568363), (18, 7712242), (31, 4478076), (36, 3856121), (53, 2619252), (62, 2239038), (93, 1492692), (106, 1309626), (124, 1119519), (159, 873084), (186, 746346), (212, 654813), (279, 497564), (318, 436542), (372, 373173), (477, 291028), (558, 248782), (636, 218271), (954, 145514), (1116, 124391), (1643, 84492), (1908, 72757), (2347, 59148), (3286, 42246), (4694, 29574), (4929, 28164), (6572, 21123), (7041, 19716), (9388, 14787), (9858, 14082)]