781375284

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{6481}}^1$

素因数の和:6705

約数の個数: 72

約数和(自身を含む): 2102268168

約数和(自身を除く): 1320892884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 197, 204, 306, 394, 591, 612, 788, 1182, 1773, 2364, 3349, 3546, 6481, 6698, 7092, 10047, 12962, 13396, 19443, 20094, 25924, 30141, 38886, 40188, 58329, 60282, 77772, 110177, 116658, 120564, 220354, 233316, 330531, 440708, 661062, 991593, 1276757, 1322124, 1983186, 2553514, 3830271, 3966372, 5107028, 7660542, 11490813, 15321084, 21704869, 22981626, 43409738, 45963252, 65114607, 86819476, 130229214, 195343821, 260458428, 390687642, 781375284]

約数ペア:

[(1, 781375284), (2, 390687642), (3, 260458428), (4, 195343821), (6, 130229214), (9, 86819476), (12, 65114607), (17, 45963252), (18, 43409738), (34, 22981626), (36, 21704869), (51, 15321084), (68, 11490813), (102, 7660542), (153, 5107028), (197, 3966372), (204, 3830271), (306, 2553514), (394, 1983186), (591, 1322124), (612, 1276757), (788, 991593), (1182, 661062), (1773, 440708), (2364, 330531), (3349, 233316), (3546, 220354), (6481, 120564), (6698, 116658), (7092, 110177), (10047, 77772), (12962, 60282), (13396, 58329), (19443, 40188), (20094, 38886), (25924, 30141)]