398734956

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{165313}}^1$

素因数の和:165390

約数の個数: 36

約数和(自身を含む): 1022963032

約数和(自身を除く): 624228076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 165313, 330626, 495939, 661252, 991878, 1487817, 1983756, 2975634, 5951268, 11075971, 22151942, 33227913, 44303884, 66455826, 99683739, 132911652, 199367478, 398734956]

約数ペア:

[(1, 398734956), (2, 199367478), (3, 132911652), (4, 99683739), (6, 66455826), (9, 44303884), (12, 33227913), (18, 22151942), (36, 11075971), (67, 5951268), (134, 2975634), (201, 1983756), (268, 1487817), (402, 991878), (603, 661252), (804, 495939), (1206, 330626), (2412, 165313)]