31398822

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 86748480

約数和(自身を除く): 55349658

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 29, 39, 42, 58, 63, 78, 87, 91, 117, 126, 174, 182, 203, 234, 261, 273, 377, 406, 522, 546, 609, 661, 754, 819, 1131, 1218, 1322, 1638, 1827, 1983, 2262, 2639, 3393, 3654, 3966, 4627, 5278, 5949, 6786, 7917, 8593, 9254, 11898, 13881, 15834, 17186, 19169, 23751, 25779, 27762, 38338, 41643, 47502, 51558, 57507, 60151, 77337, 83286, 115014, 120302, 134183, 154674, 172521, 180453, 249197, 268366, 345042, 360906, 402549, 498394, 541359, 747591, 805098, 1082718, 1207647, 1495182, 1744379, 2242773, 2415294, 3488758, 4485546, 5233137, 10466274, 15699411, 31398822]

約数ペア:

[(1, 31398822), (2, 15699411), (3, 10466274), (6, 5233137), (7, 4485546), (9, 3488758), (13, 2415294), (14, 2242773), (18, 1744379), (21, 1495182), (26, 1207647), (29, 1082718), (39, 805098), (42, 747591), (58, 541359), (63, 498394), (78, 402549), (87, 360906), (91, 345042), (117, 268366), (126, 249197), (174, 180453), (182, 172521), (203, 154674), (234, 134183), (261, 120302), (273, 115014), (377, 83286), (406, 77337), (522, 60151), (546, 57507), (609, 51558), (661, 47502), (754, 41643), (819, 38338), (1131, 27762), (1218, 25779), (1322, 23751), (1638, 19169), (1827, 17186), (1983, 15834), (2262, 13881), (2639, 11898), (3393, 9254), (3654, 8593), (3966, 7917), (4627, 6786), (5278, 5949)]