281607508

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 625632000

約数和(自身を除く): 344024492

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 158, 182, 196, 316, 364, 553, 637, 1027, 1106, 1274, 1399, 2054, 2212, 2548, 2798, 3871, 4108, 5596, 7189, 7742, 9793, 14378, 15484, 18187, 19586, 28756, 36374, 39172, 50323, 68551, 72748, 100646, 110521, 127309, 137102, 201292, 221042, 254618, 274204, 442084, 509236, 773647, 891163, 1436773, 1547294, 1782326, 2873546, 3094588, 3564652, 5415529, 5747092, 10057411, 10831058, 20114822, 21662116, 40229644, 70401877, 140803754, 281607508]

約数ペア:

[(1, 281607508), (2, 140803754), (4, 70401877), (7, 40229644), (13, 21662116), (14, 20114822), (26, 10831058), (28, 10057411), (49, 5747092), (52, 5415529), (79, 3564652), (91, 3094588), (98, 2873546), (158, 1782326), (182, 1547294), (196, 1436773), (316, 891163), (364, 773647), (553, 509236), (637, 442084), (1027, 274204), (1106, 254618), (1274, 221042), (1399, 201292), (2054, 137102), (2212, 127309), (2548, 110521), (2798, 100646), (3871, 72748), (4108, 68551), (5596, 50323), (7189, 39172), (7742, 36374), (9793, 28756), (14378, 19586), (15484, 18187)]