398778744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1163}}^1$

素因数の和:1349

約数の個数: 128

約数和(自身を含む): 1235888640

約数和(自身を除く): 837109896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 157, 168, 182, 273, 312, 314, 364, 471, 546, 628, 728, 942, 1092, 1099, 1163, 1256, 1884, 2041, 2184, 2198, 2326, 3297, 3489, 3768, 4082, 4396, 4652, 6123, 6594, 6978, 8141, 8164, 8792, 9304, 12246, 13188, 13956, 14287, 15119, 16282, 16328, 24423, 24492, 26376, 27912, 28574, 30238, 32564, 42861, 45357, 48846, 48984, 57148, 60476, 65128, 85722, 90714, 97692, 105833, 114296, 120952, 171444, 181428, 182591, 195384, 211666, 317499, 342888, 362856, 365182, 423332, 547773, 634998, 730364, 846664, 1095546, 1269996, 1278137, 1460728, 2191092, 2373683, 2539992, 2556274, 3834411, 4382184, 4747366, 5112548, 7121049, 7668822, 9494732, 10225096, 14242098, 15337644, 16615781, 18989464, 28484196, 30675288, 33231562, 49847343, 56968392, 66463124, 99694686, 132926248, 199389372, 398778744]

約数ペア:

[(1, 398778744), (2, 199389372), (3, 132926248), (4, 99694686), (6, 66463124), (7, 56968392), (8, 49847343), (12, 33231562), (13, 30675288), (14, 28484196), (21, 18989464), (24, 16615781), (26, 15337644), (28, 14242098), (39, 10225096), (42, 9494732), (52, 7668822), (56, 7121049), (78, 5112548), (84, 4747366), (91, 4382184), (104, 3834411), (156, 2556274), (157, 2539992), (168, 2373683), (182, 2191092), (273, 1460728), (312, 1278137), (314, 1269996), (364, 1095546), (471, 846664), (546, 730364), (628, 634998), (728, 547773), (942, 423332), (1092, 365182), (1099, 362856), (1163, 342888), (1256, 317499), (1884, 211666), (2041, 195384), (2184, 182591), (2198, 181428), (2326, 171444), (3297, 120952), (3489, 114296), (3768, 105833), (4082, 97692), (4396, 90714), (4652, 85722), (6123, 65128), (6594, 60476), (6978, 57148), (8141, 48984), (8164, 48846), (8792, 45357), (9304, 42861), (12246, 32564), (13188, 30238), (13956, 28574), (14287, 27912), (15119, 26376), (16282, 24492), (16328, 24423)]