259281148

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 550556160

約数和(自身を除く): 291275012

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 139, 196, 217, 278, 307, 434, 556, 614, 868, 973, 1228, 1519, 1946, 2149, 3038, 3892, 4298, 4309, 6076, 6811, 8596, 8618, 9517, 13622, 15043, 17236, 19034, 27244, 30086, 30163, 38068, 42673, 60172, 60326, 66619, 85346, 120652, 133238, 170692, 211141, 266476, 298711, 422282, 466333, 597422, 844564, 932666, 1194844, 1322863, 1865332, 2090977, 2645726, 4181954, 5291452, 8363908, 9260041, 18520082, 37040164, 64820287, 129640574, 259281148]

約数ペア:

[(1, 259281148), (2, 129640574), (4, 64820287), (7, 37040164), (14, 18520082), (28, 9260041), (31, 8363908), (49, 5291452), (62, 4181954), (98, 2645726), (124, 2090977), (139, 1865332), (196, 1322863), (217, 1194844), (278, 932666), (307, 844564), (434, 597422), (556, 466333), (614, 422282), (868, 298711), (973, 266476), (1228, 211141), (1519, 170692), (1946, 133238), (2149, 120652), (3038, 85346), (3892, 66619), (4298, 60326), (4309, 60172), (6076, 42673), (6811, 38068), (8596, 30163), (8618, 30086), (9517, 27244), (13622, 19034), (15043, 17236)]