398051108

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 108

約数和(自身を含む): 896356692

約数和(自身を除く): 498305584

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 169, 182, 196, 197, 244, 338, 364, 394, 427, 637, 676, 788, 793, 854, 1183, 1274, 1379, 1586, 1708, 2366, 2548, 2561, 2758, 2989, 3172, 4732, 5122, 5516, 5551, 5978, 8281, 9653, 10244, 10309, 11102, 11956, 12017, 16562, 17927, 19306, 20618, 22204, 24034, 33124, 33293, 35854, 38612, 38857, 41236, 48068, 66586, 71708, 72163, 77714, 84119, 125489, 133172, 144326, 155428, 156221, 168238, 233051, 250978, 288652, 312442, 336476, 466102, 501956, 505141, 588833, 624884, 932204, 1010282, 1093547, 1177666, 1631357, 2020564, 2030873, 2187094, 2355332, 3262714, 4061746, 4374188, 6525428, 7654829, 8123492, 14216111, 15309658, 28432222, 30619316, 56864444, 99512777, 199025554, 398051108]

約数ペア:

[(1, 398051108), (2, 199025554), (4, 99512777), (7, 56864444), (13, 30619316), (14, 28432222), (26, 15309658), (28, 14216111), (49, 8123492), (52, 7654829), (61, 6525428), (91, 4374188), (98, 4061746), (122, 3262714), (169, 2355332), (182, 2187094), (196, 2030873), (197, 2020564), (244, 1631357), (338, 1177666), (364, 1093547), (394, 1010282), (427, 932204), (637, 624884), (676, 588833), (788, 505141), (793, 501956), (854, 466102), (1183, 336476), (1274, 312442), (1379, 288652), (1586, 250978), (1708, 233051), (2366, 168238), (2548, 156221), (2561, 155428), (2758, 144326), (2989, 133172), (3172, 125489), (4732, 84119), (5122, 77714), (5516, 72163), (5551, 71708), (5978, 66586), (8281, 48068), (9653, 41236), (10244, 38857), (10309, 38612), (11102, 35854), (11956, 33293), (12017, 33124), (16562, 24034), (17927, 22204), (19306, 20618)]